Submission #459192

#	Time	Username	Problem	Language	Result	Execution time	Memory
459192		mansur	T-Covering (eJOI19_covering)	C++14	0 / 100	1 ms	332 KiB

covering

#include<bits/stdc++.h>
 
#pragma optimize ("g",on)
#pragma GCC optimize ("Ofast")
#pragma GCC optimize ("unroll-loops")
#pragma GCC optimize ("03")
#pragma GCC target ("sse,sse2,sse3,ssse3,sse4,popcnt,abm,avx2,mmx,fma,avx,tune=native")
             		
using namespace std;
 
#define all(a) a.begin(), a.end()
#define ll long long
#define pb push_back
#define nl '\n'
#define popb pop_back()
#define sz size()
#define ld long double
#define ull unsigned long long
#define F first
#define S second
#define fix fixed << setprecision
#define pii pair<int, int>
#define E exit (0)
#define int long long
 
const int inf = (1ll << 62ll), N = 2e6 + 1, mod = 998244353;                    
 
vector<pii> dd = {{1, 0}, {0, 1}, {-1, 0}, {0, -1}};

 
signed main() {
	//freopen("invtrans.in", "r", stdin);
	//freopen("invtrans.out", "w", stdout);
	ios_base::sync_with_stdio(NULL);
	cin.tie(NULL);
	int n, m;
	cin >> n >> m;
	int c[n + 2][m + 2];
	for (int i = 0; i <= n + 1; i++) {
		for (int j = 0; j <= m + 1; j++) c[i][j] = 0;
	}
	for (int i = 1; i <= n; i++) {
		for (int j = 1; j <= m; j++) cin >> c[i][j];
	}
	int q, ans = 0;
	cin >> q;
	while (q--) {
		int i, j;
		cin >> i >> j;
		ans += max({c[i + 1][j] + c[i][j + 1] + c[i][j - 1], c[i - 1][j] + c[i][j + 1] + c[i][j - 1], c[i + 1][j] + c[i - 1][j] + c[i][j + 1], c[i + 1][j] + c[i - 1][j] + c[i][j - 1]}) + c[i][j];
	}
	cout << ans;
}

Compilation message (stderr)

covering.cpp:3: warning: ignoring '#pragma optimize ' [-Wunknown-pragmas]
    3 | #pragma optimize ("g",on)
      |

• Subtask 1: 0 / 5
• Subtask 2: 0 / 10
• Subtask 3: 0 / 10
• Subtask 4: 0 / 10
• Subtask 5: 0 / 15
• Subtask 6: 0 / 20
• Subtask 7: 0 / 30